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Chapters
2: An Introduction to Adobe Pagemaker
▶ 3: Introduction to Database Management System
4: Introduction to Hypertext Pre-Processor
5: PHP Function and Array
6: PHP Conditional Statements
7: Looping Structure
8: Forms and Files
9: Connecting PHP and MYSQL
10: Introduction to Computer Networks
11: Network Examples and Protocols
12: DNS (Domain Name System)
13: Network Cabling
14: Open Source Concepts
15: E-Commerce
16: Electronic Payment Systems
17: E-Commerce Security Systems
18: Electronic Data Interchange-EDI
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Solutions for Chapter 3: Introduction to Database Management System
Below listed, you can find solutions for Chapter 3 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Computer Applications [English] Class 12 TN Board.
Samacheer Kalvi solutions for Computer Applications [English] Class 12 TN Board 3 Introduction to Database Management System Evaluation - PART – I [Page 82]
Choose the correct answer
Which language is used to request information from a Database?
Relational
Structural
Query
Compiler
The ______ diagram gives a logical structure of the database graphically?
Entity-Relationship
Entity
Architectural Representation
Database
An entity set that does not have enough attributes to form a primary key is known as ______.
Strong entity set
Weak entity set
Identity set
Owner set
______ command is used to delete a database.
Delete database database_name
Delete database_name
drop database database_name
drop database_name
MySQL belongs to which category of DBMS?
Object Oriented
Hierarchical
Relational
Network
MySQL is freely available and is open source.
True
False
______ represents a “tuple” in a relational database?
Table
Row
Column
Object
Communication is established with MySQL using ______.
SQL
Network calls
java
API’s
Which is the MySQL instance responsible for data processing?
MySQL Client
MySQL Server
SQL
Server Daemon Program
The structure representing the organizational view of entire database is known as ______ in MySQL database.
Schema
View
Instance
Table
Samacheer Kalvi solutions for Computer Applications [English] Class 12 TN Board 3 Introduction to Database Management System Evaluation - PART – II [Page 83]
Short Answers
Define Data Model.
List the types of data model used.
List few disadvantages of the file processing system.
Define Single valued attributes.
Define multi-valued attributes.
List any two DDL commands with its Syntax.
List any two DML commands with its Syntax.
What are the ACID properties?
Which command is used to make permanent changes done by a transaction?
What is view in SQL?
Write the difference between SQL and MySQL.
What is a Relationship and List its types?
State a few advantages of Relational databases.
Samacheer Kalvi solutions for Computer Applications [English] Class 12 TN Board 3 Introduction to Database Management System Evaluation - PART – III [Page 83]
Explain in Brief Answer
Explain on Evolution of DBMS.
What is a relationship in databases? List its types.
Discuss on Cardinality in DBMS.
List any 5 privileges available in MySQL for the User.
Write few commands used by DBA to control the entire database.
Samacheer Kalvi solutions for Computer Applications [English] Class 12 TN Board 3 Introduction to Database Management System Evaluation - PART – IV [Page 83]
Explain in detail
Discuss on various database models available in DBMS.
List the basic concepts of ER Model with suitable example.
Discuss in detail on various types of attributes in DBMS.
Write a note on open source software tools available in MySQL Administration.
Explain the DDL command of their functions in SQL.
Solutions for 3: Introduction to Database Management System
Samacheer Kalvi solutions for Computer Applications [English] Class 12 TN Board chapter 3 - Introduction to Database Management System
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Concepts covered in Computer Applications [English] Class 12 TN Board chapter 3 Introduction to Database Management System are Dbms Database Models, Relational Database Management System, RDBMS Jargons, ER Model, ER-diagram, Introduction to MYSQL, MYSQL - Administration, MYSQL Administration Open Source Software Tools, Designing Databases, Introduction to SQL, Basic SQL Commands, Database Management System Software (DBMS).
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